TM 5-3825-225-14&P
(2) Attach auxiliary control box to mounting bracket with retaining latches.
(3) Connect air lines and power cable to auxiliary control box.
4-37. AUXILIARY CONTROL BOX REPAIR.
a. Disassembly (See Appendix F, Figures 1, 2, and 40 through 42).
(1) Remove auxiliary control box (see paragraph 4-36).
(2) Remove mounting bracket from tractor cab (see paragraph 4-34).
(3) Remove screws (8, Appendix F, Figure 40), control box cover, and back panel.
(4) Tag and disconnect all wires from terminals and receptacle (11).
(5) Tag and disconnect air lines from air regulator valve (2, Appendix F, Figure 41), air control valves (2,
Appendix F, Figure 42), and cross pipe (5, Appendix F, Figure 40).
(6) Remove retaining nut and ignition switch (1, Appendix F, Figure 1) from auxiliary control box.
(7) Remove and lamp (2, Appendix F, Figure 2) from tachometer (1).
(8) Remove nuts, washers, mounting bracket, and tachometer (1) from auxiliary control box.
(9) Remove low level indicator light (6, Appendix F, Figure 1) and ignition light (6), from auxiliary control
box.
NOTE
Air regulator dial must be removed to remove the air regulator valve from the auxiliary control panel.
(10) Remove screws (1, Appendix F, Figure 41), nuts (3), lockwashers (4), and air regulator valve (2) from
auxiliary control box. Discard lockwashers.
(11) Remove retaining nut and starter switch (4, Appendix F, Figure 1) from auxiliary control box.
(12) Remove screws (4, Appendix F, Figure 42), lockwashers (3), plates (1), and air control valves (2).
Discard lockwashers.
(13) Remove screws (12, Appendix F, Figure 40), nuts (4), lockwashers (3), receptacle (11) and gasket (10)
from auxiliary control box. Discard lockwashers and gasket.
b. Assembly (See Appendix E; Figures 1, 2, and 40 through 42).
(1) Attach receptacle (11, Appendix F, Figure 40) and new gasket (10) to auxiliary control box with screws
(12), new lockwashers (3), and nuts (4).
(2) Attach starter switch (4, Appendix F, Figure 1) to the auxiliary control box with retaining nut.
(3) Attach air control valves (2, Appendix F, Figure 42) with screws (4), plates (1), and new lockwashers (3).
(4) Attach low level indicator light (6, Appendix F, Figure 1) and ignition light (6) to auxiliary control box.
NOTE
Air regulator dial must be removed to Install air regulator valve in auxiliary control box.
(5) Attach air regulator valve (2, Appendix F, Figure 41) to auxiliary control box with screws (1), new
lockwashers (4) and nuts (3).
(6) Attach tachometer (1, Appendix F, Figure 2) to the auxiliary control box with mounting bracket,
washers, and nuts. Install lamps (2).
(7) Attach ignition switch (1, Appendix F, Figure 1) to control panel with retaining nut.
(8) Connect wires to terminals and receptacle (see Figure 4-2).
(9) Connect air lines and adapters (see Figure 4-4).
(10) Attach back panel and control box cover to the auxiliary control box with screws (8, Appendix F, Figure
40).
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